Ellicott Mills Middle vs Thunder Hill Elementary
A head-to-head comparison of two schools in Maryland, United States, 3.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Ellicott Mills Middle
Ellicott City · Public middle · Grades 6–8
698 students
Thunder Hill Elementary
Columbia · Public elementary · Grades K–5
459 students
| Measure | Ellicott Mills Middle Ellicott City, Maryland | Thunder Hill Elementary Columbia, Maryland |
|---|---|---|
| Success Index (US) | 79 Top 25% | 73 Top 25% |
| State rank | #16 of 225 | #143 of 879 |
| National rank | #1658 of 15,369 | #9609 of 50,301 |
| Sector | Public | Public |
| Type | Middle | Elementary |
| Year range | Grades 6–8 | Grades K–5 |
| Students | 698 | 459 |
| Enrollment | 698 | 459 |
| Free/reduced-price lunch | 14.6% | 37.7% |
| Students per teacher | 14.5 | 11.8 |
| Reading proficiency | 65% | 62% |
| Math proficiency | 61% | 57% |
| city | Ellicott City | Columbia |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Ellicott Mills Middle scores higher on the Success Index (US) (78.9 vs 72.5).
- •Ellicott Mills Middle does better on math proficiency (61% vs 57%).
- •Ellicott Mills Middle does better on reading proficiency (65% vs 62%).
- •Ellicott Mills Middle does better on community advantage (fewer free/reduced-price lunch) (14.6% vs 37.7%).
- •Thunder Hill Elementary does better on students per teacher (11.8 vs 14.5).
- •Ellicott Mills Middle is the larger school with 698 students compared with 459.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Ellicott Mills Middle better than Thunder Hill Elementary?
On the Success Index (US), Ellicott Mills Middle ranks higher (78.9 vs 72.5 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Ellicott Mills Middle and Thunder Hill Elementary?
About 3.1 km in a straight line, between Ellicott City and Columbia in Maryland.
Which has the better Enrollment?
Ellicott Mills Middle: 698. Thunder Hill Elementary: 459. Students enrolled in the latest NCES directory year.
How do Ellicott Mills Middle and Thunder Hill Elementary rank in Maryland?
Ellicott Mills Middle is 16th of 225 and Thunder Hill Elementary is 143rd of 879 among middle schools in Maryland on the 2025 Success Index (US).